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In this study, we show that landmark detection or face alignment task is not a single and independent problem. Instead, its robustness can be greatly improved with auxiliary information. Specifically, we jointly optimize landmark detection…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Zhanpeng Zhang , Ping Luo , Chen Change Loy , Xiaoou Tang

Recently, deep learning-based facial landmark detection has achieved significant improvement. However, the semantic ambiguity problem degrades detection performance. Specifically, the semantic ambiguity causes inconsistent annotation and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Zhenglin Zhou , Huaxia Li , Hong Liu , Nanyang Wang , Gang Yu , Rongrong Ji

Convolutional neural networks (CNNs) based approaches for semantic alignment and object landmark detection have improved their performance significantly. Current efforts for the two tasks focus on addressing the lack of massive training…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Sangryul Jeon , Dongbo Min , Seungryong Kim , Kwanghoon Sohn

Top-performing landmark estimation algorithms are based on exploiting the excellent ability of large convolutional neural networks (CNNs) to represent local appearance. However, it is well known that they can only learn weak spatial…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Andrés Prados-Torreblanca , José M. Buenaposada , Luis Baumela

We propose a margin-based loss for tuning joint vision-language models so that their gradient-based explanations are consistent with region-level annotations provided by humans for relatively smaller grounding datasets. We refer to this…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Ziyan Yang , Kushal Kafle , Franck Dernoncourt , Vicente Ordonez

Facial landmark detection, or face alignment, is a fundamental task that has been extensively studied. In this paper, we investigate a new perspective of facial landmark detection and demonstrate it leads to further notable improvement.…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Shengju Qian , Keqiang Sun , Wayne Wu , Chen Qian , Jiaya Jia

Existing deep learning based facial landmark detection methods have achieved excellent performance. These methods, however, do not explicitly embed the structural dependencies among landmark points. They hence cannot preserve the geometric…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Lisha Chen , Hui Su , Qiang Ji

Recently, deep learning-based facial landmark detection for in-the-wild faces has achieved significant improvement. However, there are still challenges in face landmark detection in other domains (e.g. cartoon, caricature, etc). This is due…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Yuanming Li , Gwantae Kim , Jeong-gi Kwak , Bon-hwa Ku , Hanseok Ko

Facial landmarks are highly correlated with each other since a certain landmark can be estimated by its neighboring landmarks. Most of the existing deep learning methods only use one fully-connected layer called shape prediction layer to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Zhiwen Shao , Hengliang Zhu , Xin Tan , Yangyang Hao , Lizhuang Ma

Deep Learning models based on heatmap regression have revolutionized the task of facial landmark localization with existing models working robustly under large poses, non-uniform illumination and shadows, occlusions and self-occlusions, low…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Adrian Bulat , Enrique Sanchez , Georgios Tzimiropoulos

Re-identification of individual animals in images can be ambiguous due to subtle variations in body markings between different individuals and no constraints on the poses of animals in the wild. Person re-identification is a similar task…

Computer Vision and Pattern Recognition · Computer Science 2020-01-10 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

We present a novel boundary-aware face alignment algorithm by utilising boundary lines as the geometric structure of a human face to help facial landmark localisation. Unlike the conventional heatmap based method and regression based…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Wayne Wu , Chen Qian , Shuo Yang , Quan Wang , Yici Cai , Qiang Zhou

Large Language Models (LLMs) are intended to reflect human linguistic competencies. But humans have access to a broad and embodied context, which is key in detecting and resolving linguistic ambiguities, even in isolated text spans. A…

Computation and Language · Computer Science 2025-10-22 Amber Shore , Russell Scheinberg , Ameeta Agrawal , So Young Lee

We address the problem of phrase grounding by lear ing a multi-level common semantic space shared by the textual and visual modalities. We exploit multiple levels of feature maps of a Deep Convolutional Neural Network, as well as…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Hassan Akbari , Svebor Karaman , Surabhi Bhargava , Brian Chen , Carl Vondrick , Shih-Fu Chang

Large Language Models (LLMs) often produce fluent yet factually incorrect statements-a phenomenon known as hallucination-posing serious risks in high-stakes domains. We present Layer-wise Semantic Dynamics (LSD), a geometric framework for…

Computation and Language · Computer Science 2025-10-07 Amir Hameed Mir

Deep learning-based approaches to delineating 3D structure depend on accurate annotations to train the networks. Yet, in practice, people, no matter how conscientious, have trouble precisely delineating in 3D and on a large scale, in part…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Doruk Oner , Leonardo Citraro , Mateusz Koziński , Pascal Fua

Textual-visual matching aims at measuring similarities between sentence descriptions and images. Most existing methods tackle this problem without effectively utilizing identity-level annotations. In this paper, we propose an identity-aware…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Shuang Li , Tong Xiao , Hongsheng Li , Wei Yang , Xiaogang Wang

In this paper, we examine 3 important issues in the practical use of state-of-the-art facial landmark detectors and show how a combination of specific architectural modifications can directly improve their accuracy and temporal stability.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Prashanth Chandran , Gaspard Zoss , Paulo Gotardo , Derek Bradley

Face alignment is a classic problem in the computer vision field. Previous works mostly focus on sparse alignment with a limited number of facial landmark points, i.e., facial landmark detection. In this paper, for the first time, we aim at…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 Yaojie Liu , Amin Jourabloo , William Ren , Xiaoming Liu

Facial landmark detection has been studied over decades. Numerous neural network (NN)-based approaches have been proposed for detecting landmarks, especially the convolutional neural network (CNN)-based approaches. In general, CNN-based…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Chih-Fan Hsu , Chia-Ching Lin , Ting-Yang Hung , Chin-Laung Lei , Kuan-Ta Chen
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